12442891 is an odd 8-digits composite number following 12442890
and preceding 12442892 . In scientific notation, it is written as 1.2442891 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 11787984 positive integers (up to 12442891) that are relatively prime to 12442891.
12442891 has 4 divisors, whose sum is 13097800
The reverse of 12442891 is 19824421
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million four hundred forty-two thousand eight hundred ninety-one
Scientific notation
1.2442891 × 10^7
Engineering notation
1.2442891 × 10^6
Prime Factorization
19 × 654889
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12442891
Product of the distinct prime numbers
The prime factorization of 12442891 is 19 × 654889.
Since it has a total of 2 prime factors.
3 , 4 , 39 , 3 , 770 , 595 , 9479 , 5741 , 50758 , 45385 , 241375 , 61037 , 9872843 , 1678277 , 31299961 , 12148009 , 419416700 , 290442256 , 3219055652 , 8296306786
n×2
24885782
n×3
37328673
n×4
49771564
n×5
62214455
n÷2
6221445.5
n÷3
4147630.3333333
n÷3
3110722.75
n÷5
2488578.2
n2
154825536437881
n3
1.9264772739131E+21
n4
2.3970946733278E+28
n5
2.9826787736898E+35
2 √n
3527.448227827
3 √n
231.72546673234
4 √n
59.392324654176
5 √n
26.241234323965
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12442890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12442891 can be divided by 4 positive divisors.
The sum of these divisors (counting 12442891) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111011101110100001011
3
Ternary
212102011102211
4
Quaternary
233131310023
5
Quinary
11141133031
6
Senary
1122405551
8
Octal
57356413
10
Decimal
12442891
12
Duodecimal
42008b7
16
Hexadecimal
bddd0b
20
Vigesimal
3hf74b
36
Base36
7eozv
md5
deeb477aecb8d540126a610a196214a1
sha1
a329dbed6d83b81fccca30ac86cd9901a3a5cb19
sha256
99079be822c84301351805147d25e441a8341aa570d171b5ca0d958addcf3298
sha512
2349a5c8ebffdef706ef022adbc7c9b3dc755a52cfbd39de24c29b8be7909067007848c36e54f05d308c11ea52cfc93f481f37e268b160c33e3750f58663d655
ripemd-160
c1daa62b6e5234d046fec83c197855c123957947
Diameter
24885782
Circumference
78180989.910037
Area
4.8639876786135E+14
Volume
8.0696091347107E+21
Surface area
1.9455950714454E+15
Circumference
78180989.910037
Perimeter
49771564
Area
154825536437881
Diagonal
17596905.20733
Surface area
928953218627286
Volume
1.9264772739131E+21
Space diagonal
21551719.405042
Perimeter
37328673
Area
67041423854879
Altitude
10775859.702521
Surface area
67041423854879
Volume
2.2703752403095E+20
Height
5865635.06911